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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="root">
        <div class="header">
            <input type="text" />
        </div>
        <ul class="List">
            <li id="1"><input type="checkbox" />吃饭</li>
            <li id="2"><input type="checkbox" />睡觉</li>
        </ul>
        <div class="footer">
            <span>当前已完成:0, 未完成:3</span>
            <button>清除已完成</button>
        </div>
    </div>
</body>
</html>